– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Fri 05 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Fri 05 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Fri 05 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 98mm), heaviest during Fri night. Mild temperatures (max 9°C on Mon afternoon, min 4°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the WSW by Mon afternoon). | Days 5–7 Weather SummaryHeavy rain (total 22mm), heaviest during Tue afternoon. Mild temperatures (max 6°C on Tue night, min 2°C on Wed afternoon). Winds decreasing (strong winds from the WSW on Tue night, calm by Thu morning). | ||||||||||||||||||
Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  | | | | |  | | |  | | | |
heavy rain | mod. rain | light rain | light rain | light rain | light rain | mod. rain | mod. rain | heavy rain | light rain | light rain | mod. rain | mod. rain | rain shwrs | rain shwrs | light rain | cloudy | cloudy | mod. rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
41 | 5 | 5 | 4 | 5 | 4 | 8 | 7 | 19 | 4 | 1.1 | 7 | 7 | 1.4 | 0.4 | 0.3 | — | — | 8 | |
max°C | 7 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 9 | 4 | 5 | 4 | 6 | 4 | 2 | 2 | 4 | 3 | 6 |
min°C | 6 | 5 | 5 | 4 | 4 | 5 | 6 | 6 | 8 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 4 |
3 | 1 | 2 | 2 | 1 | 3 | 5 | 3 | 5 | 0 | 1 | 0 | -1 | 0 | 0 | 2 | 3 | 2 | 3 | |
1550 | 1300 | 1250 | 1250 | 1400 | 1550 | 1550 | 1850 | 2200 | 1100 | 1200 | 1000 | 1450 | 900 | 900 | 800 | 1000 | 1150 | 1500 | |
Cloud base (m) | 550 | 600 | 600 | 600 | 700 | 600 | 600 | 550 | 500 | 600 | 600 | 550 | 550 | 600 | 600 | 700 | 2150 | 1500 | 1650 |
 | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — |
 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 98mm), heaviest during Fri night. Mild temperatures (max 9°C on Mon afternoon, min 4°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the WSW by Mon afternoon).
South Twin Sister Weather (Days 3-6):
Heavy rain (total 22mm), heaviest during Tue afternoon. Mild temperatures (max 6°C on Tue night, min 2°C on Wed afternoon). Winds decreasing (strong winds from the WSW on Tue night, calm by Thu morning).
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
SHIP4904 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.